LTC3859AEFE vs LTC3859AIFE

Product Attributes

Part Number LTC3859AEFE LTC3859AIFE
Manufacturer Analog Devices Inc. Analog Devices Inc.
Category PMIC - Voltage Regulators - DC DC Switching Controllers PMIC - Voltage Regulators - DC DC Switching Controllers
LTC3859AEFE LTC3859AIFE
Product Status Obsolete Obsolete
Output Type Transistor Driver Transistor Driver
Function Step-Down, Step-Up/Step-Down Step-Down, Step-Up/Step-Down
Output Configuration Positive Positive
Topology Buck, Buck-Boost, SEPIC Buck, Buck-Boost, SEPIC
Number of Outputs 3 3
Output Phases 2 2
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V 4.5V ~ 38V
Frequency - Switching 115kHz ~ 835kHz, 350kHz ~ 535kHz 115kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max) 99%, 100% 99%, 100%
Synchronous Rectifier Yes Yes
Clock Sync No No
Serial Interfaces - -
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount
Package / Case 38-TFSOP (0.173", 4.40mm Width) Exposed Pad 38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package 38-TSSOP-EP 38-TSSOP-EP